256150122 has 8 divisors (see below), whose sum is σ = 512300256. Its totient is φ = 85383372.

The previous prime is 256150121. The next prime is 256150129. The reversal of 256150122 is 221051652.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

256150122 is an admirable number.

It is a super-2 number, since 2×256150122² = 131225770001229768, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 256150092 and 256150101.

It is not an unprimeable number, because it can be changed into a prime (256150121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21345838 + ... + 21345849.

It is an arithmetic number, because the mean of its divisors is an integer number (64037532).

Almost surely, 2^256150122 is an apocalyptic number.

256150122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

256150122 is a wasteful number, since it uses less digits than its factorization.

256150122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42691692.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 256150122 is about 16004.6906249387. The cubic root of 256150122 is about 635.0845131072.

The spelling of 256150122 in words is "two hundred fifty-six million, one hundred fifty thousand, one hundred twenty-two".